rhinitis medicamentosa

noun
rhinitis me·​dic·​a·​men·​to·​sa | \ -mə-ˌdik-ə-men-ˈtō-sə How to pronounce rhinitis medicamentosa (audio) \

Medical Definition of rhinitis medicamentosa

: an increase in the severity or duration of rhinitis that results from prolonged use of decongestant nasal spray